Please, apply patch for current CVS

Patch for contrib/intarray and contrib/ltree modules.

Download from: 
http://www.sai.msu.su/~megera/postgres/gist/patches/intarray_ltree.patch.gz

Changes:
1 intarray: bugfix for int[]-int[] operation
2 intarray: split _int.c to several files (_int.c now is unused)
3 ntarray (gist__intbig_ops opclass): use special type for index storage
4 ltree (gist__ltree_ops opclass), intarray (gist__intbig_ops): optimize GiST's 
penalty and picksplit interface functions, now use Hemming distance.

Thank you.

-- 
Teodor Sigaev                                  E-mail: teodor@sigaev.ru